
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sqlite3.h>
int create_table();
int register_user(const char *username, const char *password, int is_admin, const char *email, const char *phone);
int login_user(const char *username, const char *password, int *is_admin);
int set_admin(int user_id, int is_admin);
int update_user_info(int user_id, const char *new_password, const char *new_email, const char *new_phone);
int update_user_info_interactive(int user_id);
void print_user_info(int user_id);
void close_db();
